It's 2 AM, Kumi hears repeated knocking on the door of the house next door. She can't sleep because of the noise, and when she looks out the front door, she finds a creepy woman with long hair standing there, knocking on the neighbor's door.

Kotomi, a university student, lives in Torikomachi, a town trapped in an old tradition, where curses are a familiar sight. The curse casts a shadow over her and her surroundings...